1. There are typically 33 vertebrae in a human spine, including 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal vertebrae.
2. The excretory product of earthworms is called castings or vermicast, which are a mixture of earthworm feces and soil.
3. Organisms undergo aestivation in order to survive during periods of extreme heat or drought by entering a state of dormancy to conserve energy and reduce water loss.
4. The transport system in plants is the vascular system, consisting of xylem and phloem tissues that transport water, nutrients, and sugars throughout the plant.
1. how many vertabrae are there in human?
2. what is the excretory product of earthworm?
3. why do organism undergo aestivation?
4. what is the transport system in plant?
1 answer